<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>选项卡</title>
    <!-- <link rel="stylesheet" href="css/index.css"> -->
    <script src="bundle.js"></script>
</head>
<body>
<!-- 选项卡 -->
<div class="tab" id="tab">
    <section class="btnBox">
        <input class="active" type="button" value="按钮1" />
        <input type="button" value="按钮2" />
        <input type="button" value="按钮3" />
    </section>
    <ul>
        <li class="show">1</li>
        <li>2</li>
        <li>3</li>
    </ul>
</div>

<div class="tab" id="tab2">
    <section class="btnBox">
        <input class="active" type="button" value="按钮1" />
        <input type="button" value="按钮2" />
        <input type="button" value="按钮3" />
    </section>
    <ul>
        <li class="show">1</li>
        <li>2</li>
        <li>3</li>
    </ul>
</div>

<div class="tab" id="tab3">
    <button class="button1">左</button>
    <button class="button2">右</button>
    <section class="btnBox">
        <input class="active" type="button" value="按钮1" />
        <input type="button" value="按钮2" />
        <input type="button" value="按钮3" />
    </section>
    <ul>
        <li class="show">1</li>
        <li>2</li>
        <li>3</li>
    </ul>
</div>


</body>
</html>